<template>
  <el-dialog :title="showTitle" :visible="showDialog" @close="close">
    <!-- 表单内容 -->
    <el-form ref="addDept" label-width="120px" :model="formData" :rules="rules">
      <el-form-item label="部门名称" prop="name">
        <el-input v-model=" formData.name" placeholder="1-20个字符" style="width: 80%" size="mini" />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input v-model=" formData.code" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>
      <el-form-item label="部门负责人" prop="managerId">
        <el-select v-model="formData.managerId" placeholder="请选择负责人" style="width: 80%" size="mini">
          <!-- 下拉选项 循环 负责人数据 label表示显示的字段 value 存储字段 -->
          <el-option v-for="item in managerList" :key="item.id" :label="item.username" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input v-model="formData.introduce" placeholder="1-100个字符" style="width: 80%" size="mini" type="textarea" :row="4" />
      </el-form-item>
      <el-form-item>
        <el-row type="flex" justify="center">
          <el-col :span="12">
            <el-button type="primary" size="mini" @click="confirm">确认</el-button>
            <el-button size="mini" @click="close">取消</el-button>
          </el-col>
        </el-row>
      </el-form-item>
    </el-form>
  </el-dialog>
</template>

<script>
import { addDepartment, getDepartment, getManagerList, getDepartmentDetail, updateDepartment } from '@/api/department'
export default {
  name: 'AddDept',
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    currentNodeId: {
      type: Number,
      default: null
    }
  },
  data() {
    return {
      managerList: [],
      formData: {
        name: '', // 部门名称
        code: '', // 部门编码
        managerId: '', // 部门负责人
        introduce: '', // 部门介绍
        pid: '' // 父级部门的id
      },
      rules: {
        // 部门名称
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 2, max: 10, message: '部门名称的长度为2-10个字符', trigger: 'blur' },
          { validator: async(rule, value, callback) => {
            let depts = await getDepartment()
            if (this.formData.name) {
              depts = depts.filter(item => item.name !== value)
            }
            // console.log(depts)
            if (depts.some(item => item.name === value)) {
              callback(new Error('部门名称不能重复'))
            } else {
              callback()
            }
          },
          trigger: 'blur'
          }
        ],
        // 部门编码
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 2, max: 10, message: '部门编码的长度为2-10个字符', trigger: 'blur' },
          { validator: async(rule, value, callback) => {
            let depts = await getDepartment()
            // console.log(depts)
            if (this.formData.code) {
              depts = depts.filter(item => item.code !== value)
            }
            if (depts.some(item => item.code === value)) {
              callback(new Error('部门编码已存在'))
            } else {
              callback()
            }
          },
          trigger: 'blur'
          }
        ],
        // 部门介绍
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 100, message: '部门介绍的长度为1-100个字符', trigger: 'blur' }
        ],
        // 部门负责人
        managerId: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' }
        ]
        // pid: '' // 父级部门的id 不需要做校验
      }
    }
  },
  computed: {
    showTitle() {
      return this.formData.id ? '编辑部门' : '新增部门'
    }
  },
  created() {
    this.getManagerList()
  },

  methods: {
    async getManagerList() {
      const res = await getManagerList()
      this.managerList = res
    },
    // 取消
    close() {
      // 将表单重置
      this.formData = {
        name: '', // 部门名称
        code: '', // 部门编码
        managerId: '', // 部门负责人
        introduce: '', // 部门介绍
        pid: '' // 父级部门的id
      }
      this.$refs.addDept.resetFields() // 重置表单
      this.$emit('update:showDialog', false)
    },

    // 确认
    confirm() {
      this.$refs.addDept.validate(async valid => {
        if (!valid) return
        if (this.formData.id) {
          // 发送请求
          await updateDepartment(this.formData)
          // 提示用户
          this.$message.success('编辑部门成功')
        } else {
        // 发送请求
          await addDepartment({ ...this.formData, pid: this.currentNodeId })
          // 提示用户
          this.$message.success('添加部门成功')
        }
        // 通知父组件更新
        this.$emit('updateDeparment')
        // 重置表单 & 关闭弹层
        this.close()
      })
    },

    // 获取部门详情
    async getDepartmentDetail() {
      // 1. 调用封装的api
      const result = await getDepartmentDetail(this.currentNodeId)
      // 2. 表单数据的赋值
      console.log(result)
      this.formData = result
    }
    // // 获取删除
    // async delDeparment() {
    //   const res = await delDeparment()
    //   console.log(res)
    // }
  }
}

</script>

<style lang="scss" scoped>

</style>
